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List of works by Karin Källén

A simplified oral glucose tolerance test in pregnancy: compliance and results

scientific article published on 24 October 2007

Abnormally invasive placenta-prevalence, risk factors and antenatal suspicion: results from a large population-based pregnancy cohort study in the Nordic countries

scientific article published on 29 July 2015

Analysis of Mortality among Neonates and Children with Spina Bifida: An International Registry-Based Study, 2001-2012

scientific article published on 21 October 2019

Apgar score predicts short-term outcome in infants born at 25 gestational weeks

scientific article published in February 2007

Arterial stiffness in normal pregnancy as assessed by digital pulse wave analysis by photoplethysmography - A longitudinal study

scientific article published on 13 November 2018

Arterio-venous blood gas Δvalues for validation of umbilical cord blood samples at birth are not only biased by sample mix ups but also affected by clinical factors

scientific article published on 30 October 2018

Assessment of lactate production as a response to sustained intrapartum hypoxia in large-for-gestational-age newborns

scientific article published on 22 June 2018

Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016

scientific article published on 01 March 2019

Associations between antenatal and perinatal risk factors and cerebral palsy: a Swedish cohort study

scientific article published on 07 August 2020

Authors' response

scientific article published on 25 September 2013

Base deficit estimation in umbilical cord blood is influenced by gestational age, choice of fetal fluid compartment, and algorithm for calculation

scientific article published on 25 September 2006

Cerebral Palsy in Extremely Preterm Infants

scientific article published on 8 December 2017

Cerebroplacental ratio as predictor of adverse perinatal outcome in the third trimester

scientific article published on 20 October 2020

Cesarean delivery and risk for postoperative adhesions and intestinal obstruction: a nested case-control study of the Swedish Medical Birth Registry

scientific article published on 01 October 2010

Cesarean section trends in the Nordic Countries - a comparative analysis with the Robson classification.

scientific article

Cotinine Validation of Self-Reported Smoking During Pregnancy in the Swedish Medical Birth Register.

scientific article published on 20 April 2015

Determinants of maternal and fetal exposure and temporal trends of perfluorinated compounds

scientific article

Doppler Audio Signal Analysis as an Additional Tool in Evaluation of Umbilical Artery Circulation.

scientific article published on 30 September 2015

Drugs and Birth Defects: a knowledge database providing risk assessments based on national health registers

scientific article published on 26 September 2012

EXPRESS study shows significant regional differences in 1-year outcome of extremely preterm infants in Sweden

scientific article

Earlier Apgar Score Increase in Severely Depressed Term Infants Cared for in Swedish Level III Units With 40% Oxygen Versus 100% Oxygen Resuscitation Strategies: A Population-Based Register Study

scientific article published on 01 December 2006

Effects on fetal and maternal temperatures of paracetamol administration during labour: a case–control study ⬇️

scientific article published on January 30, 2013

Emergency peripartum hysterectomy: results from the prospective Nordic Obstetric Surveillance Study (NOSS).

scientific article published on 30 April 2015

Estimating Global Burden of Disease due to congenital anomaly: an analysis of European data

scientific article

Extreme prematurity, treated retinopathy, bronchopulmonary dysplasia and cerebral palsy are significant risk factors for ophthalmological abnormalities at 6.5 years of age.

scientific article published on 27 December 2017

Extremely preterm born infants and long-term neurodevelopmental outcomes reply to Despina Briana and Ariadne Malamitsi-Puchner

scientific article published on 09 January 2020

Fetal and maternal temperatures during labor and delivery: a prospective descriptive study.

scientific article published on 16 April 2017

Fetal exposure to perfluorinated compounds and attention deficit hyperactivity disorder in childhood

scientific article

Fetal gender and gestational-age-related incidence of pre-eclampsia

scientific article published in January 2006

Fetal growth and air pollution - A study on ultrasound and birth measures

scientific article published on 11 October 2016

Fetal hemoglobin in umbilical cord blood in preeclamptic and normotensive pregnancies: A cross-sectional comparative study.

scientific article

Fetal scalp blood lactate during second stage of labor: determination of reference values and impact of obstetrical interventions

scientific article published on 16 May 2016

Gestational age-dependent reference values for pH in umbilical cord arterial blood at term

scientific article published on 01 August 2003

Gestational age-related reference values for Apgar score and umbilical cord arterial and venous pH in preterm and term newborns

scientific article published on 12 August 2019

Group B streptococcal carriage in Sweden: a national study on risk factors for mother and infant colonisation

scientific article published on January 2008

High blood pressure in 2.5-year-old children born extremely preterm

scientific article published on 2 April 2012

High risks of maternal and perinatal complications in singletons born after oocyte donation.

scientific article published on 6 April 2016

How mathematics warp biology: round‐off of umbilical cord blood gas case value decimals distorts calculation of metabolic acidosis at birth ⬇️

scientific article published on October 10, 2011

Hypospadias Prevalence and Trends in International Birth Defect Surveillance Systems, 1980-2010

scientific article published on 09 July 2019

Hypoxia with acidosis in extremely preterm born infants was not associated with an increased risk of death or impaired neurodevelopmental outcome at 6.5 years

scientific article published on 02 July 2019

Impact of obstetric factors on outcome of extremely preterm births in Sweden: prospective population-based observational study (EXPRESS).

scientific article published on 6 August 2015

Impact of sex on perinatal mortality and morbidity in twins

scientific article published in March 2014

Improved neonatal outcome after active management of prolonged pregnancies beyond 41+2  weeks in nulliparous, but not among multiparous women.

scientific article published on 30 September 2017

Improvement of Autism Symptoms After Comprehensive Intensive Early Interventions in Community Settings

scientific article published on 23 April 2020

Indications for First Caesarean and Delivery Mode in Subsequent Trial of Labour ⬇️

scientific article published on 01 January 2013

Influence of mode of delivery on neonatal mortality and morbidity in spontaneous preterm breech delivery

scientific article published on 20 September 2006

Intrapartum fetal ECG and diabetes

scientific article published on 01 April 2008

Lamotrigine use in pregnancy and risk of orofacial cleft and other congenital anomalies

scientific article published on 6 April 2016

Late mortality and morbidity among long-term leukemia survivors with Down syndrome: A nationwide population-based cohort study

scientific article published on 24 May 2018

Manganese and selenium concentrations in umbilical cord serum and attention deficit hyperactivity disorder in childhood.

scientific article published on 17 January 2015

Maternal Smoking during Pregnancy and Daughters' Preeclampsia Risk

scientific article published on 2 December 2015

Maternal age and risk of cesarean section in women with induced labor at term-A Nordic register-based study

scientific article published on 25 November 2019

Maternal body mass index and duration of labor

scientific article published on 29 August 2013

Maternal plasma leptin levels in relation to the duration of the active phase of labor

scientific article published on 04 July 2018

Maternity care options influence readmission of newborns

scientific article published in May 2008

Mode of first delivery and severe maternal complications in the subsequent pregnancy.

scientific article published on 3 May 2017

Morbidity and mortality after childbirth in women with Turner karyotype

scientific article

Neonatal Morbidity After Maternal Use of Antidepressant Drugs During Pregnancy.

scientific article published on November 2016

Neonatal and maternal outcome after blastocyst transfer: a population-based registry study.

scientific article

Neonatal mortality for low-risk women by method of delivery

scientific article (publication date: March 2007)

Neurodevelopmental Outcome in Extremely Preterm Infants at 2.5 Years After Active Perinatal Care in Sweden ⬇️

scientific article published on May 1, 2013

Neurodevelopmental Outcomes Among Extremely Preterm Infants 6.5 Years After Active Perinatal Care in Sweden.

scientific article

Non-immune hydrops fetalis was rare in Sweden during 1997-2015 but cases were associated with complications and poor prognosis

scientific article published on 18 March 2020

Nutrient intakes independently affect growth in extremely preterm infants: results from a population-based study

scientific article published on 6 August 2013

One-year survival of extremely preterm infants after active perinatal care in Sweden

scientific article published in June 2009

Ophthalmologic Outcome of Extremely Preterm Infants at 6.5 Years of Age: Extremely Preterm Infants in Sweden Study (EXPRESS).

scientific article

Ophthalmologic outcome at 30 months' corrected age of a prospective Swedish cohort of children born before 27 weeks of gestation: the extremely preterm infants in sweden study.

scientific article published in February 2014

Outcome in obstetric care related to oxytocin use. A population-based study

scientific article published on 01 January 2006

Outcome of extremely preterm infants after iatrogenic or spontaneous birth

scientific article published on 09 July 2018

Paper 6: EUROCAT member registries: organization and activities

scientific article published on 04 March 2011

Per- and Polyfluoroalkyl Substances in Early Pregnancy and Risk for Preeclampsia: A Case-Control Study in Southern Sweden

scientific article published on 16 June 2020

Perinatal Outcomes After Treatment With ADHD Medication During Pregnancy

scientific article

Perinatal, maternal, and fetal characteristics of children diagnosed with attention-deficit-hyperactivity disorder: results from a population-based study utilizing the Swedish Medical Birth Register.

scientific article published on 21 October 2010

Physiological development of a mixed metabolic and respiratory umbilical cord blood acidemia with advancing gestational age.

scientific article published on 10 February 2006

Predicting the chance of vaginal delivery after one cesarean section: validation and elaboration of a published prediction model

scientific article published on 10 March 2015

Pregnant women's view on the Swedish internet resource Drugs and Birth Defects intended for health care professionals

scientific article published on 18 July 2015

Prenatal exposure to air pollution as a potential risk factor for autism and ADHD

scientific article published on 16 October 2019

Preterm birth in Sweden 1973-2001: Rate, subgroups, and effect of changing patterns in multiple births, maternal age, and smoking

scholarly article by Nils-Halvdan Morken et al published June 2005 in Acta Obstetricia et Gynecologica Scandinavica

Prospective population-based cohort study of maternal obesity as a source of error in gestational age estimation at 11-14 weeks

scientific article published on 12 August 2016

Real-time PCR-assay in the delivery suite for determination of group B streptococcal colonization in a setting with risk-based antibiotic prophylaxis.

scientific article published on 18 July 2013

Reduced incidence of neonatal early onset group B streptococcal infection after promulgation of guidelines for risk-based intrapartum antibiotic prophylaxis in Sweden: analysis of a national population-based cohort

scientific article

Reference population for international comparisons and time trend surveillance of preterm delivery proportions in three countries

scientific article

Relation between oculo-auriculo-vertebral (OAV) dysplasia and three other non-random associations of malformations (VATER, CHARGE, and OEIS)

scientific article published on 01 May 2004

Relation between umbilical cord blood pH, base deficit, lactate, 5‐minute Apgar score and development of hypoxic ischemic encephalopathy ⬇️

scientific article published on October 1, 2010

Results from the National Perinatal Patient Safety Program in Sweden: the challenge of evaluation

scientific article

Retrospective study of maternal and neonatal outcomes after induction compared to spontaneous start of labour in women with one previous birth in uncomplicated pregnancies ≥ 41+3

scientific article published on 24 August 2020

Role of maternal smoking and maternal reproductive history in the etiology of hypospadias in the offspring

scientific article published on 01 October 2002

Sepsis as a risk factor for neonatal morbidity in extremely preterm infants.

scientific article published on 27 June 2015

Serum estradiol does not differentiate stress, mixed and urge incontinent women around menopause. A report from the Women's Health in the Lund Area (WHILA) study ⬇️

scientific article published on July 22, 2011

Short-term outcome predictors in infants born at 23-24 gestational weeks.

scientific article published in May 2008

Significant effects on neonatal morbidity and mortality after regional change in management of post-term pregnancy

scientific article published on 26 November 2010

Survival and neonatal morbidity among extremely preterm born infants in relation to gestational age based on the last menstrual period or ultrasonographic examination.

scientific article published in March 2014

The Importance of Echocardiography and an Individual Approach to Patent Ductus Arteriosus Treatment in Extremely Preterm Infants

scientific article published on 20 February 2015

The Nordic Obstetric Surveillance Study: a study of complete uterine rupture, abnormally invasive placenta, peripartum hysterectomy, and severe blood loss at delivery

scientific article published on 17 April 2015

The Nordic medical birth registers--a potential goldmine for clinical research

scientific article

The Swedish Neonatal Quality Register - contents, completeness and validity

scientific article published on 20 May 2019

The association between the number of oocytes retrieved for IVF, perinatal outcome and obstetric complications

scientific article published on 01 October 2018

The effect of maternal body mass index on duration of induced labor

scientific article published on 28 December 2019

The impact of gestational diabetes mellitus on pregnancy outcome comparing different cut‐off criteria for abnormal glucose tolerance ⬇️

scientific article published on November 5, 2010

The relative importance of maternal body mass index and glucose levels for prediction of large-for-gestational-age births

scientific article published on 29 October 2015

The small-for-gestational-age fetus has an intact ability to develop lacticemia when exposed to hypoxia: a retrospective comparative register study.

scientific article published on 3 April 2017

The type and timing of patent ductus arteriosus treatment was associated with neurodevelopment when extremely preterm infants reached 6.5 years

scientific article published on 30 June 2020

Third-trimester prediction of successful vaginal birth after one cesarean delivery-A Swedish model

scientific article published on 01 December 2019

Time between membrane rupture and delivery and septicemia in term neonates

scientific article published on 01 September 2007

Timing of Pharmacological Treatment for Patent Ductus Arteriosus and Risk of Secondary Surgery, Death or Bronchopulmonary Dysplasia: A Population-Based Cohort Study of Extremely Preterm Infants

scientific article published on 18 November 2014

Trends in outcomes for very preterm infants in the southern region of Sweden over a 10-year period

scientific article published on 24 December 2008

Trisomy 13 and 18-Prevalence and mortality-A multi-registry population based analysis

scientific article published on 30 September 2019

Ultrasound weight estimation of large fetuses ⬇️

scientific article published on August 22, 2012

Underlying maternal and pregnancy-related conditions account for a substantial proportion of neonatal morbidity in late preterm infants

scientific article

Vitamin D Status at Birth and Future Risk of Attention Deficit/Hyperactivity Disorder (ADHD)

scientific article published on 28 October 2015

Women with a History of Recurrent Pregnancy Loss Are a High-Risk Population for Adverse Obstetrical Outcome: A Retrospective Cohort Study

scientific article published on 06 January 2021

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